<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html lang="en">
<head>
	<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
	<title>Document</title>
	<script type="text/javascript">
	 //    var w=window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth;

		// var h=window.innerHeight || document.documentElement.clientHeight || document.body.clientHeight;

		// document.write(w+'=>'+h);

		var i = 0;

		function run () {
			i++;
			alert(123);

			// if(i==3){
			// 	clearInterval(time);
			// }

		}

		var time = setInterval(run,2000);

		var time = setTimeout(run,2000 )


			// 90>80 || 90<100


	</script>
</head>
<body>
	
</body>
</html>